3 inch stainless constant-diameter direct-fit cat-back system dramatically outflows stock, cuts backpressure up to 88 percent. Rich, throaty sound, huge polished tip. (2002-2009 only). 5.7L Hemi and 4.7L Ram Pickup (2002-2009 only): Banks 3 inch constant-diameter Monster exhaust pipes - formed of heavy-duty stainless steel - bolt behind the catalytic converter to slash backpressure up to 88 percent, improving performance, durability and fuel efficiency. The straight-through Monster muffler delivers a throaty, yet civil, exhaust note and flows up to 65 percent better than stock. The system includes Banks exclusive ob-round (patented design) angle-cut rolled-edge tailpipe tip in your choice of polished chrome-over stainless or high-temp black! And to help keep it looking good, there's a 1/2 inch air gap to keep heat from tarnishing the finish. An adjustable clamp lets you position it on the tailpipe just right. Installation of the lightweight, direct-fit-system is bolt-on easy. Fully compatible with Dodge's factory warranty.Monster Exhaust System, Single Exit, Black Obround Tip for use with 2006-2007 Dodge 5.7L Hemi, 1500 Mega CabMandrel bent Stainless Steel constructionVirtually eliminates backpressureLowers exhaust gas tempsDramatically improves flowMaximum Airflow3 inch stainless constant-diameterDirect-fit cat-back systemDramatically outflows stockCuts backpressure up to 88%Huge 4.4x5.25 inch Cerakote Black TipEmissions Compliant: E.O. Not RequiredUS Patent #5,581,111 S1